Since the Birgenfamily parents are both professors of mathematics, you will need to solve this little puzzle before you are able to locate the hidden treasure and where it lies. Enjoy!
N 42 4(a) (b)
W 92 2(c) (d)(e)
a=Number of children in Birgenfamily
b=Year of the "PhD's" minus 1000 (the grand number of caches)
c=Mariah's office number minus Brian's office number
d="Here Lives the Troll #3" is which FTF cache find of Birgenfamily?
e=(Mariah's phone extension-Brian's phone extension) divided by four
When logging this cache please share a story of caching with Birgenfamily or perhaps the favorite cache of theirs you have completed.
Here's to many more caches to find!
You can check your answers for this puzzle on GeoChecker.com.